ArcelorMittal completes registration of its exchange offer

Luxembourg, 14 November 2008 - ArcelorMittal (NYSE: MT; Euronext Amsterdam by NYSE Euronext: MT; Euronext Paris by NYSE Euronext: MTP; Euronext Brussels by NYSE Euronext: MTBL; Luxembourg Stock Exchange: MT; Spanish Stock Exchanges of Barcelona, Bilbao, Madrid and Valencia: MTS) announces today the closing of its offer to exchange (i) all of its outstanding 5.375% Notes due 2013, which are not registered under the United States Securities Act of 1933, as amended (the Securities Act), (the 2013 Original Notes), for an equal principal amount of its 5.375% Notes due 2013, which have been registered under the Securities Act and (ii) all of its outstanding 6.125% Notes due 2018, which are not registered under the Securities Act (the 2018 Original Notes, and together with the 2013 Original Notes, the Original Notes), for an equal principal amount of its 6.125% Notes due 2018, which have been registered under the Securities Act. The Exchange Offer expired at 5:00pm, New York City time, on Friday, November 7, 2008.

U.S.$1,467,958,000 aggregate principal amount of 2013 Original Notes and U.S.$1,493,200,000 aggregate principal amount of 2018 Original Notes, representing 97.8% of the outstanding principal amount of 2013 Original Notes and 99.5% of the outstanding principal amount of 2018 Original Notes, respectively, were tendered for exchange. ArcelorMittal accepted all Original Notes that were properly tendered for exchange. The exchange offer closed on November 13, 2008.

HSBC Bank USA, National Association, served as the exchange agent for the exchange offer and D.F. King & Co., Inc. served as the information agent for the exchange offer. The agents addresses, telephone and facsimile numbers are as follows:

Exchange Agent
HSBC Bank USA, National Association
Corporate Trust & Loan Agency
2 Hanson Place, 14th Floor
Brooklyn, New York 10217-1409
Attention: Corporate Trust Operations
Telephone: (800) 662-9844

Information Agent
D.F. King & Co., Inc.
48 Wall Street, 22nd Floor
New York, New York 10005
Banks and Brokers Call (Collect): 212-269-5550
All Others Call (Toll Free): 800-290-6429

About ArcelorMittal

ArcelorMittal is the world's leading steel company, with over 326,000 employees in more than 60 countries.

ArcelorMittal is the leader in all major global steel markets, including automotive, construction, household appliances and packaging, with leading R&D and technology, as well as sizeable captive supplies of raw materials and outstanding distribution networks. With an industrial presence in over 20 countries spanning four continents, the Company covers all of the key steel markets, from emerging to mature.

Through its core values of sustainability, quality and leadership, ArcelorMittal commits to operating in a responsible way with respect to the health, safety and wellbeing of its employees, contractors and the communities in which it operates. It is also committed to the sustainable management of the environment and of finite resources. ArcelorMittal recognises that it has a significant responsibility to tackle the global climate change challenge; it takes a leading role in the industry's efforts to develop breakthrough steelmaking technologies and is actively researching and developing steel-based technologies and solutions that contribute to combat climate change.

In 2007, ArcelorMittal had revenues of $105.2 billion and crude steel production of 116 million tonnes, representing around 10 per cent of world steel output.

ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MTP), Brussels (MTBL), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS). For more information about ArcelorMittal visit: www.arcelormittal.com